<div class="item folder" v-show="!hidden" v-on="click: toggleFolder(this), contextmenu: popupMenu(this, $event)">
  <span class="toggle {{ open ? 'open' : 'closed'}}"></span>
  {{name}}
</div>
<ul v-show="open">
  <li v-repeat="children | orderBy 'name'" v-component="{{type}}"></li>
</ul>
